Change of Adviser Name

Proteome Sciences plc                             

                    (the "Proteome Sciences" or "Company")                     

                             Change of Broker Name                             

Following its change of name from Landsbanki Securities (UK) Limited to
Teathers Limited on 7 October 2008, the name of the Company's broker and NOMAD
is now Teathers Limited of: 

Beaufort House
15 St Botolph Street
London EC3A 7QR

                                     Ends                                      

For further information please contact:

Proteome Sciences plc

www.proteomics.com Tel: [phone]

Christopher Pearce, Chief Executive James Malthouse, Finance Director

Email: [e-mail] Email: [e-mail]

Public Relations

IKON Associates Coast Communications

Adrian Shaw Matt Baldwin

Tel: [phone] Tel: [phone]

Mobile: [phone] Mobile: [phone]

Email: [e-mail] Email: [e-mail]

Nominated Adviser

Teathers Limited

Shaun Dobson / Claes Spång

Tel: [phone]

About Proteome Sciences:

Proteome Sciences plc (LSE : PRM) is a global leader in applied proteomics,
using high sensitivity proprietary techniques to detect and characterise
differentially expressed proteins in diseases for diagnostic, prognostic and
therapeutic applications.

ProteoSHOP® provides integrated proteomic services for biomarker discovery,
validation and measurement in clinical trials and in vitro diagnostics. Key
features include the proprietary isobaric tandem mass tag technology TMT® for
accurate and reliable biomarker quantification and the ability to rapidly
develop highly reproducible quantitative biomarker assays.

The main focus of its research addresses neurological, oncology and
cardiovascular conditions and has discovered blood biomarkers in stroke, brain
damage, solid organ transplant rejection and Alzheimer's disease. Proteome
Sciences is based in Cobham, UK with facilities in London and Frankfurt.